Flexible cover and air grille combination



FIG. 1 is a perspective view of a flexible cover and air grille combination showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view of thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view of thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the figures depict portions of the flexible cover and air grille combination that form no part of the claimed design. 

CLAIM The ornamental design for an flexible cover and air grille combination, as shown and described. 